Zone of protection indicator.
Accessory mounting system.
Repels mosquitoes, black flies and other flying insects.
Thermacell products create a 15' x 15' zone of protection in minutes that lasts for hours.
Includes (3) original repellent mats lasting (4) hours each, providing (12) total hours of repellency.
Uses Thermacell butane cartridge refills for mosquito repellent function; each cartridge lasts up to (12) hours.
Silent, virtually odor free, no open flame.
Repellent is a copy of the natural repellent found in chrysanthemum flowers.